Hello, > ldapsearch -x 'uniqueMember=uid=hubertus*' > version: 2, [..] but the same query brought no results on the LDAP v3 IIRC, you have to escape the second "=" here with "\", so your query becomes: ldapsearch -x 'uniqueMember=uid\=hubertus*' Do the same with (,), (+), ("), (\), (<), (>) and (;) A --